OITracker Cboe delayed data

Contract OI history

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Nov 06, 2026 EXPIRATION

SERV $7.50 Put

SERV261106P00007500

Latest saved OI92Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SERV $7.50 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 156780 2026-10-09: 156 OI2026-10-13: 146 OI2026-10-14: 138 OI2026-10-16: 138 OI2026-10-20: 92 OI2026-10-23: 92 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

SERV contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing920
Oct 20, 202692-46
Oct 16, 20261380
Oct 14, 2026138-8
Oct 13, 2026146-10
Oct 09, 2026156No prior observation